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You are watching: How to start a lawn mower without key


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 If you have actually a lawn that is much more than ½ one acre big, the idea of utilizing a push mower might be really appealing to you and everyone else in the neighborhood because it is plain exhausting, and also it’s no worth every effort, at least not in this time and age, or if you deserve to afford more convenience, and this is where the speak lawnmowers come in.

The riding lawn mowers are fairly efficient, and in many cases, lock come fitted through very powerful engines do by peak brands such together Briggs & Stratton, Kohler, and also Kawasaki.

They are an extremely easy come use, and also if her mower is fitted through padded armrests, a high-back seat, and also has big fuel tank capacity, you will certainly be ~ above your way to among the many comfortable and also fun lawnmowing experiences.

But what happens when your lawnmower comes fitted v all the best features, maybe also a zero-turn radius design for enhanced maneuverability, yet somehow girlfriend cannot get it to start? The truth is that in as much as this mechanical devices come equipment with height features and also function, they still go with the bender.

This means that on among those days that you may need to obtain through the lawn fast, you might not be able to because you lost the begin key. The riding lawnmowers come with begin keys, which no only permit you come fire increase the engine to start mowing, yet the start key is additionally a safety function that stays clear of the theft that the mower.

So, what happens once you lose the an essential or if it’s broken? would this typical that you’d need to postpone mowing to another time or call in a skilled lawn treatment company?

Well no. Also in the absence of the mower’s begin key, you deserve to still fire it.

All you should do is come make certain you have all the best tools, and you additionally need to ensure her safety, as well as the safety and security of the battery. Favor your car, you can switch that on safely without the key, however only if you know what you are doing.


Table the Contents


About the Mower’s an essential Switch

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The factor why the switch vital works as it go is the that key will produce an electric connection in between the speak mower’s starter and also its solenoid.

Since the an essential has metallic parts, the metal touches the 2 poles that the solenoid, and when this happens, power is sent throughout the solenoid and also into the starter system, turning on the motor. You can, therefore, view why it would be frustrating to shed the switch/ start key.

But as pointed out above, the ns of the start an essential doesn’t signal the cancellation the mowing plans, since you only need to find a method of mimicking the behavior and the activity of the start an essential to revolve on the mower and also for the engine to start running.

Option 1 – utilizing Jumper Cables to begin the Mower

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First, you require to find all the security and beginning tools to jump-start the mower. We are talking about jumper cables, a pair the rubber gloves, as well as a pair of pliers.

The rubber gloves are critical because rubber is a non-conductor that electricity, which method that lock will stop the conduction that electricity, protecting girlfriend from electrical shocks native the mower’s battery.

That said, you have to never effort to bypass the standard crucial switch start of the mower if you don’t have actually the finest rubber gloves. If you have all the tools above, you deserve to proceed.


First, put on her rubber gloves v the brake turned ON, the blade(s) disengaged, and also all the other important safety precautions take it into action to protect against the mower from moving or jerking forward without you initiating the movement, open up the mower’s hood. Situate the battery. Next, disconnect the battery’s red and also the black cables native the 2 write-ups in the mower’s solenoid. Acquire a battery short article cleaner to clean up any type of corrosion and dirt that has gathered around the posts, climate reconnect the 2 cables. Clamp the jumper’s booster cable (the black color one) around the battery’s negative plug climate clamp the other end to the mower’s cut deck end. Next, take the red cable and clamp it to the confident plug/ write-up of the battery. All this time, her rubber gloves have to be on. Now, touch the red cable’s other finish and permit it come touch a metallic part/ item in the mower’s starter. If successful and the engine runs, first remove the red (booster) cable then the black cable prior to closing the hood.


This option that entails the usage of jumper cables (or driver in location of the jumper cables) is likewise called the bypass method. With the bypass method, you will have the ability to turn off the mower easily and to prevent it through throttling the mower every the way down.

The kill switch option is no an option here. Keep in mind that throttling down the mower will not kill the engine instantly, and also you have actually to provide it some prior to the engine dies.


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Option 2 – utilizing A Screwdriver

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You additionally need rubber gloves and a driver for this.

Note the this is an appropriate option because that you if, after ~ popping up the trunk, you find that the negative and the positive articles to be engaged on the battery – one finish on the solenoid side and the other connecting to the starter – space too close to every other.

In together cases, the screwdriver would be a desired option. So, put on the rubber gloves and then touch the screwdriver to the two battery short articles at the very same time. Act this should start the engine automatically.

Keep in mind the in this setup that supplies the screwdriver, the screwdriver will work-related as a bridge between the battery posts, and it bring away the ar of the jumper cables.

You must have a two-head screw for this to work. Alternatively, you could use a flat-head driver as you would certainly the begin key. Here, location your screwdriver into the keyhole then wiggle that around, the same way that girlfriend would perform if you had an actual key.

This option has actually been displayed to be quite reliable with some models of Cub Cadet and also Craftsman mowers. Again, you need to wear her rubber gloves because that this.

Option 3 – installation of A new Ignition Switch

If girlfriend cannot discover the starter keys anywhere and the options over are not best (generally, they aren’t ideal lengthy term options), your next ideal option would certainly be to install a new ignition system.

Now, because that this to happen, you’d need to talk to the manufacturer and find their dealers for the surroundings of the switch, uneven you are a mechanic and also you deserve to handle the ignition system on her own. Otherwise, you have to take the mower to devoted mechanics, particularly if the manufacturer doesn’t make any type of replacement keys for the mower.

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The installation of the new ignition device is, and always should it is in your really last option. It’s expensive, and it might take time, especially if the replacement components are not accessible locally, yet unlike having actually to jumpstart the engine, the surroundings of the brand-new ignition switch will deal with your difficulty permanently.